<script lang="ts" setup>
import { useGotoPay } from '@/composables'
import { OrderState, orderStateList } from '@/services/constants'
import { deleteMemberOrderAPI, getMemberOrderAPI, putMemberOrderReceiptByIdAPI } from '@/services/order'
import type { OrderItem, OrderListParams, OrderListResult } from '@/types/order'
import { onMounted, ref } from 'vue'

// 获取屏幕边界到安全区域距离
const { safeAreaInsets } = uni.getWindowInfo()

const props = defineProps<{
  orderState: number
}>()

// 获取订单列表和分页信息
const orderListParams = ref<OrderListParams>({
  page: 1,
  pageSize: 5,
  orderState: props.orderState,
})
const memberOrderList = ref<OrderListResult>({
  pages: 0,
  counts: 1,
  page: 1,
  pageSize: 5,
  items: [],
})
const getMemberOrder = async () => {
  const res = await getMemberOrderAPI(orderListParams.value)
  memberOrderList.value = {
    ...res.result,
    items: [...memberOrderList.value.items, ...res.result.items],
  }

  // 是否加载完毕所有数据
  if (memberOrderList.value.page >= memberOrderList.value.pages) {
    isFinished.value = true
  }
}

// 确认收货
const confirmReceipt = (item: OrderItem) => {
  uni.showModal({
    title: '确认收货',
    content: '确认收货后订单状态将发生变化，您确认已经收到商品了吗？',
    success: async (res) => {
      if (res.confirm) {
        const res = await putMemberOrderReceiptByIdAPI(item.id)
        item.orderState = res.result.orderState
        uni.showToast({
          icon: 'success',
          title: '确认收货成功',
        })
      }
    },
  })
}

// 删除订单
const onDeleteOrder = (orderId: string) => {
  uni.showModal({
    title: '删除订单',
    content: '删除订单后将无法恢复，您确认要删除该订单吗？',
    success: async (res) => {
      if (res.confirm) {
        await deleteMemberOrderAPI({
          ids: [orderId],
        })
        uni.showToast({
          icon: 'success',
          title: '删除订单成功',
        })
        // 本地删除该订单
        memberOrderList.value!.items = memberOrderList.value!.items.filter((item) => item.id !== orderId)
      }
    },
  })
}

// 滚动触底
const isFinished = ref(false)
const isLoading = ref(true)
const onScrolltolower = () => {
  isLoading.value = true
  if (memberOrderList.value.page < memberOrderList.value.pages) {
    orderListParams.value.page!++
    getMemberOrder()
  } else {
    uni.showToast({
      icon: 'none',
      title: '没有更多数据了~',
    })
    isFinished.value = true
  }
}

// 知识点【生命周期】：因为这里是组件内，不是页面，建议使用组件的生命周期，而不是页面的onLoad
onMounted(() => {
  getMemberOrder()
})

// 去支付
const onGotoPay = (id: string) => {
  const { goToPay } = useGotoPay(id, () => {
    const currentOrder = memberOrderList.value.items.find((item) => item.id === id)
    currentOrder!.orderState = OrderState.DaiFaHuo
    uni.showToast({
      title: '支付成功',
      icon: 'none',
    })
  })
  goToPay()
}
</script>

<template>
  <!-- 订单列表 -->
  <scroll-view scroll-y class="orders" @scrolltolower="onScrolltolower">
    <view class="card" v-for="item in memberOrderList?.items" :key="item.id">
      <!-- 订单信息 -->
      <view class="status">
        <text class="date">{{ item.createTime }}</text>
        <!-- 订单状态文字 -->
        <text>{{ orderStateList[item.orderState].text }}</text>
        <!-- 待评价/已完成/已取消 状态: 展示删除订单 -->
        <text v-if="item.orderState >= OrderState.DaiPingJia" @tap="onDeleteOrder(item.id)" class="icon-delete"
          >删除订单</text
        >
      </view>
      <!-- 商品信息，点击商品跳转到订单详情，不是商品详情 -->
      <navigator
        v-for="sku in item.skus"
        :key="sku.id"
        class="goods"
        :url="`/pagesOrder/detail/detail?orderNo=${item.id}`"
        hover-class="none"
      >
        <view class="cover">
          <image mode="aspectFit" :src="sku.image"></image>
        </view>
        <view class="meta">
          <view class="name ellipsis">{{ sku.name }}</view>
          <view class="type">{{ sku.attrsText }}</view>
        </view>
      </navigator>
      <!-- 支付信息 -->
      <view class="payment">
        <text class="quantity">共{{ item.totalNum }}件商品</text>
        <text>实付</text>
        <text class="amount"> <text class="symbol">¥</text>{{ item.payMoney }}</text>
      </view>
      <!-- 订单操作按钮 -->
      <view class="action">
        <!-- 待付款状态：显示去支付按钮 -->
        <template v-if="item.orderState === OrderState.DaiFuKuan">
          <view class="button primary" @tap="onGotoPay(item.id)">去支付</view>
        </template>
        <template v-else>
          <navigator class="button secondary" :url="`/pagesOrder/create/create?orderId=${item.id}`" hover-class="none">
            再次购买
          </navigator>
          <!-- 待收货状态: 展示确认收货 -->
          <view @tap="confirmReceipt(item)" v-if="item.orderState === OrderState.DaiShouHuo" class="button primary"
            >确认收货</view
          >
        </template>
      </view>
    </view>
    <!-- 底部提示文字 -->
    <view class="loading-text" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
      <text v-if="isFinished">没有更多数据~</text>
      <text v-else>正在加载...</text>
      <!-- {{ isFinished ? '没有更多数据~' : '正在加载...' }} -->
    </view>
  </scroll-view>
</template>

<style lang="scss">
// 订单列表
.orders {
  .card {
    min-height: 100rpx;
    padding: 20rpx;
    margin: 20rpx 20rpx 0;
    border-radius: 10rpx;
    background-color: #fff;

    &:last-child {
      padding-bottom: 40rpx;
    }
  }

  .status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 28rpx;
    color: #999;
    margin-bottom: 15rpx;

    .date {
      color: #666;
      flex: 1;
    }

    .primary {
      color: #ff9240;
    }

    .icon-delete {
      line-height: 1;
      margin-left: 10rpx;
      padding-left: 10rpx;
      border-left: 1rpx solid #e3e3e3;
    }
  }

  .goods {
    display: flex;
    margin-bottom: 20rpx;

    .cover {
      width: 170rpx;
      height: 170rpx;
      margin-right: 20rpx;
      border-radius: 10rpx;
      overflow: hidden;
      position: relative;
    }

    .quantity {
      position: absolute;
      bottom: 0;
      right: 0;
      line-height: 1;
      padding: 6rpx 4rpx 6rpx 8rpx;
      font-size: 24rpx;
      color: #fff;
      border-radius: 10rpx 0 0 0;
      background-color: rgba(0, 0, 0, 0.6);
    }

    .meta {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .name {
      height: 80rpx;
      font-size: 26rpx;
      color: #444;
    }

    .type {
      line-height: 1.8;
      padding: 0 15rpx;
      margin-top: 10rpx;
      font-size: 24rpx;
      align-self: flex-start;
      border-radius: 4rpx;
      color: #888;
      background-color: #f7f7f8;
    }

    .more {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22rpx;
      color: #333;
    }
  }

  .payment {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    line-height: 1;
    padding: 20rpx 0;
    text-align: right;
    color: #999;
    font-size: 28rpx;
    border-bottom: 1rpx solid #eee;

    .quantity {
      font-size: 24rpx;
      margin-right: 16rpx;
    }

    .amount {
      color: #444;
      margin-left: 6rpx;
    }

    .symbol {
      font-size: 20rpx;
    }
  }

  .action {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-top: 20rpx;

    .button {
      width: 180rpx;
      height: 60rpx;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-left: 20rpx;
      border-radius: 60rpx;
      border: 1rpx solid #ccc;
      font-size: 26rpx;
      color: #444;
    }

    .secondary {
      color: #27ba9b;
      border-color: #27ba9b;
    }

    .primary {
      color: #fff;
      background-color: #27ba9b;
    }
  }

  .loading-text {
    text-align: center;
    font-size: 28rpx;
    color: #666;
    padding: 20rpx 0;
  }
}
</style>
